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Product Details:
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| Features: | High Precision, High Hardness, Corrosion Resistant | Product Name: | Drill Pipe Casing |
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| Material: | Alloy Steel | Usage: | Well Drilling, Drill Deep Hole |
| Technique: | Cold Rolled | Type: | Inner And Outer Tube |
| High Light: | steel casing pipe,well drilling pipe |
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1.Inner and outer tube of core barrel
2.high core recovery efficiency
3.for different rock
4.made of strong steel
Wireline Drill Rod:
Our drill rod have good performance at accuracy and mechanism. Their structure match with international stadard in application of less than 1000 meter drilling. Wireline drill rods are made of strong and ductile alloy steel pipe which whole piece processed thread of drill rod is strengthened.
Grade of wireline drill rod:
| Grade | Performance | Material of drill rod | Type of heat treatment |
| A | Standard | 30CrMnSiA or 45MnMoB | whole treatment or two sides treatment |
| B | Superior | XJY850 BG850 | whole treatment |
Specifications and drill depth recommended:
| Standard | Specification | Drill depth | |
| A grade | B grade | ||
| B series | BQA, BQB | 1000M | 1200M |
| BRQ | 1500M | 1800M | |
| BQT | 1500M | 1800M | |
| BQS | 2500M | 3000M | |
| N series | NQA,NQB | 800M | 1000M |
| NRQ | 1200M | 1500M | |
| NQT | 1200M | 1500 M | |
| NQS | 2000M | 2500M | |
| H series | HQA,HQB | 750M | 900M |
| HRQ | 1000M | 1200M | |
| HQT | 1000M | 1200M | |
| HQS | 1500M | 1800M | |
| P series | PQA,PQB | 600M | 800M |
| PRQ | 750M | 900M | |
Techinical Information:
| Standard | Specification | Size (Out diameter x thickness) | Length | Upset type | drill bit size |
| B series | BQA, BQB | 55.6X4.8 | 3m | no | BQsize |
| BRQ | 55.6X4.8 | 3m | no | BQsize | |
| BQT | 56.5X4.75 /6 | 3m | internal | BQsize | |
| BQS | 54X4.5/6.25 | 3m | both | BQS | |
| N series | NQA,NQB | 71X5.5(70.1X5.05) | 3m | no | NQsize |
| NRQ | 71X5.5(70.1X5.05) | 3m | no | NQsize | |
| NQT | 72X4.8/6 | 3m | internal | NQ+1 | |
| NQS | 73X5/7.5 | 3m | internal | NQ+1.5 | |
| H series | HQA,HQB | 89X5.6 | 3m | no | HQsize |
| HRQ | 89x5.6 | 3m | no | HQsize | |
| HQT | 91x5.8/6.75 | 3m | internal | HQ+1 | |
| HQS | 114.3x7.5 | 3m | both | HQ+1 | |
| P series | PQA,PQB | 114.3x6.35 | 3m | no | PQsize |
| PRQ | 114.3x6.35 | 3m | no | PQsize |
Contact Person: Amelia
Tel: 86-18051930311
Fax: 86-510-82752846
